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Removal Procedure

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Wiper Arm Components
    GM776832Courtesy of GENERAL MOTORS CORP.
  1. Set the wipers in the Park position.
  2. Open the hood assembly.
  3. The driver side wiper (4) aligns with an orange line at the tip of the wiper blade located at the center lower windshield.
  4. The passenger side wiper (1) aligns with an orange dot at the tip of the wiper blade located on the right lower side of the windshield.
  5. Remove the covers (2, 5) from the wiper arm nuts (3, 6).
  6. Remove the nut (3, 6) from the wiper arm drive spindle.
    7. Fig 2: View Of Upper Hood Assist Rod
    GM738138Courtesy of GENERAL MOTORS CORP.
    NOTE: Apply pressure only at the end of the liftgate/hood assist rod that you are removing or attaching. Do NOT apply pressure to the middle of the rod because damage or bending will result.
  7. Remove the upper hood assist rods from the assist rod ball studs (1) if removing the driver side wiper arm.
  8. Tilt the hood rearward to the air inlet grille panel.
  9. Support the hood assembly.
    10. IMPORTANT: Use the J 39822  in order to remove the wiper arm if the wiper arm fails to loosen from the wiper arm drive spindle.
  10. Remove the wiper arm from the wiper arm drive spindle.
  11. Clean the drive spindle knurls with a fine wire brush.
  12. Remove the wiper blade from the wiper arm. Refer to Windshield Wiper Blade Replacement .
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